#import "SongData.h"

@interface SongData ()

@property NSMutableDictionary* notes;

@end


@implementation SongData


static BOOL isInited = NO;

+(id) sharedSongData {
    static SongData* p = nil;
    if (p==nil)
        p = [[super alloc] init];
    
    return p;
}


+(id)alloc {
    return [SongData sharedSongData];
}

-(id)copy {
    return [SongData sharedSongData];
}

-(id)mutableCopy {
    return [SongData sharedSongData];
}

- (instancetype)init
{
    if (isInited)
        return  self;
    
    self = [super init];
    if (self) {
       
    //initialization
    
    }
    return self;
}



@end
